On Mon, 9 Jul 2012, Eric Sandeen wrote: > On 7/9/12 9:45 AM, Gordan Bobic wrote: > > > [...] > > Maybe I should know, but what happens on < ARMv7+ ? Memory corruption? > If so I'm surprised that extN doesn't fall down all over the place today. >From ARMv6 and above, "simple" unaligned accesses are handled by the hardware. By "simple" I mean word sized i.e. no LDM/STM, no LDRD/STRD. > > 1) Detect sizeof(int) and declare the arrays as a suitable multiple > > of that. int _should_ be word sized on most things AFAIK. > > now I'll sound really dense, but isn't 4096 a multiple of sizeof(int) > on arm? A char array doesn't have the same alignment constraints as an int. It's not the size but the type used that matters. Nicolas _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
